[jira] Resolved: (CLEREZZA-15) Sparql query serialization error

["Hasan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CLEREZZA-15?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hasan resolved CLEREZZA-15.
---------------------------

    Resolution: Fixed

> Sparql query serialization error
> --------------------------------
>
>                 Key: CLEREZZA-15
>                 URL: https://issues.apache.org/jira/browse/CLEREZZA-15
>             Project: Clerezza
>          Issue Type: Bug
>            Reporter: Hasan
>            Assignee: Hasan
>
> The following query after being parsed generates an error when serialized
> PREFIX owl: <http://www.w3.org/2002/07/owl#> 
> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> 
> PREFIX skos: <http://www.w3.org/2008/05/skos#> 
> CONSTRUCT {?concept a skos:Concept; skos:prefLabel ?prefLabel; rdfs:comment ?comment; owl:sameAs ?sameConcept .} 
> WHERE { ?concept skos:inScheme <http://localhost:8080/concept-scheme/default>; skos:prefLabel ?prefLabel . 
> OPTIONAL { ?concept skos:altLabel ?altLabel; rdfs:comment ?comment; owl:sameAs ?sameConcept . } 
> FILTER (STR(?prefLabel) = 'Linux' || STR(?altLabel) = 'Linux')}
> => error generated:
> java.lang.ClassCastException: org.apache.clerezza.rdf.core.sparql.query.impl.SimpleBasicGraphPattern cannot be cast to org.apache.clerezza.rdf.core.sparql.query.GroupGraphPattern
> 	at org.apache.clerezza.rdf.core.sparql.query.impl.SimpleStringQuerySerializer.appendQueryPattern(SimpleStringQuerySerializer.java:127)
> 	at org.apache.clerezza.rdf.core.sparql.query.impl.SimpleStringQuerySerializer.appendWhere(SimpleStringQuerySerializer.java:112)
> 	at org.apache.clerezza.rdf.core.sparql.query.impl.SimpleStringQuerySerializer.serialize(SimpleStringQuerySerializer.java:270)
> affected bundle: org.apache.clerezza.rdf.core

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